package cn.csc.module.pay.util;

import com.xxl.job.core.util.IpUtil;

import javax.servlet.http.HttpServletRequest;

/**
 * @author liuchuang
 * @version 1.0
 * @date 2024/3/1 18:15
 * @modify
 */
public class IpUtils {

    public static final IpUtils api = new IpUtils();

    private IpUtils() {}

    public String getIpAddress(HttpServletRequest request) {
        String ip = request.getHeader("x-forwarded-for");
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("WL-Proxy-Client-IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_CLIENT_IP");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getHeader("HTTP_X_FORWARDED_FOR");
        }
        if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) {
            ip = request.getRemoteAddr();
        }
        if(ip.indexOf(",") > -1) {
            ip = ip.substring(0, ip.indexOf(","));
        }
        return ip;
    }

}

